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Parker CPI™/A-LOK® Instrumentation Tube Fittings are designed as leak-free connections for process, power and instrumentation applications. The CPI tube fittings utilize a single ferrule for easy make-up and excellent performance in vibration applications. The “spring loaded” effect of the single ferrule creates a constant tension between the fitting body and fitting nut. The A-LOK two ferrule compression tube fittings are designed to provide reliable leak-free connections for applications that specify a two ferrule system. These single and two ferrule fitting designs are manufactured to the highest quality standards and are available in a broad range of sizes, materials and configurations.

NOTE:
  • Dimensions for reference only, subject to change.
  • A and C dimensions are typical finger-tight.
    • NPT Male Bulkhead Connector for metric tube
    Unit of Measure
    Items NPT Male Bulkhead Connector for metric tube
    FH2BZ 6-1/8
    NPT Male Bulkhead Connector for metric tube     		NPT Male Bulkhead Connector for metric tube
    FH2BZ 6-1/4
    NPT Male Bulkhead Connector for metric tube     		NPT Male Bulkhead Connector for metric tube
    FH2BZ 8-1/8
    NPT Male Bulkhead Connector for metric tube     		NPT Male Bulkhead Connector for metric tube
    FH2BZ 8-1/4
    NPT Male Bulkhead Connector for metric tube     		NPT Male Bulkhead Connector for metric tube
    FH2BZ 10-1/4
    NPT Male Bulkhead Connector for metric tube
    Connection Type N/A CPI™ to NPT
    Tube O.D. N/A 6.0 mm N/A 6.0 mm N/A 8.0 mm N/A 8.0 mm N/A 10.0 mm
    NPT Pipe Thread N/A 1/8 N/A 1/4 N/A 1/8 N/A 1/4 N/A 1/4
    A N/A 49.6 mm N/A 53.5 mm N/A 52.3 mm N/A 57.5 mm N/A 58.4 mm
    C N/A 33.6 mm N/A 33.6 mm N/A 36.7 mm N/A 36.7 mm N/A 37.0 mm
    L N/A 26.2 mm N/A 26.2 mm N/A 28.7 mm N/A 28.7 mm N/A 29.3 mm
    R N/A 9.7 mm N/A 14.5 mm N/A 9.7 mm N/A 14.5 mm N/A 14.5 mm
    W HEX N/A 16.0 mm N/A 16.0 mm N/A 18.0 mm N/A 18.0 mm N/A 22.0 mm
    B’head Hole Drill Size N/A 11.5 mm N/A 11.5 mm N/A 13.1 mm N/A 13.1 mm N/A 16.3 mm
    Max. B’head Thick. N/A 10.2 mm N/A 10.2 mm N/A 11.2 mm N/A 11.2 mm N/A 11.2 mm